TP-LINK SafeStream TL-ER5120 Owner's manual

Brand: TP-LINK

Model: SafeStream TL-ER5120

Category: Routers

Type: Owner's manual

This manual is also suitable for

TL-ER5120

Installation Guide

Gigabit Load Balance Broadband Router

TL-ER5120

Enterprise Networking Solution



Specifications are subject to change without notice. is a registered trademark of TP-LINK

TECHNOLOGIES CO., LTD. Other brands and product names are trademarks of their respective holders.

No part of the specifications may be reproduced in any form or by any means or used to make any derivative such

as translation, transformation, or adaptation without permission from TP-LINK TECHNOLOGIES CO., LTD. Copyright

http://www.tp-link.com



This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part

15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when

the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio

frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful

interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful

interference in which case the user will be required to correct the interference at his own expense.

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:

This device may not cause harmful interference.1)

This device must accept any interference received, including interference that may cause undesired operation.2)

Any changes or modifications not expressly approved by the party responsible for compliance could void the user’s

authority to operate the equipment.



This is a class A product. In a domestic environment, this product may cause radio interference, in which case the

user may be required to take adequate measures.

Related Document



The User Guide of this product is provided in the resource CD.

To obtain the latest product information, please visit the Official Website:

http://www.tp-link.com



This Installation Guide describes the hardware characteristics, installation methods and

the points that should be attended to during installation.

This Installation Guide is structured as follows:

Chapter 1 Introduction. This chapter describes the External Components of the

router.

Chapter 2 Installation. This chapter illustrates how to install the router.

Chapter 3 Lightning Protection. This chapter illustrates how to prevent lightning

damage.

Chapter 4 Connection. This chapter illustrates how to do the physical connection of

the router.

Chapter 5 Configuration. This chapter illustrates how to login and set up the router.

Appendix A Troubleshooting.

Appendix B Hardware Specifications.

Appendix C Technical Support.

III



This Installation Guide is for:

Network Engineer

Network Administrator



This guide uses the specific formats to highlight special messages. The following table

lists the notice icons that are used throughout this guide.

Remind to be careful. A caution indicates a potential which may

result in device damage.

Remind to take notice. The note contains the helpful information

for a better use of the router.

Audience



Contents

Chapter 1 Introduction ———————————— 01

1.1 Product Overview .........................................01

1.2 Appearance .................................................01

Chapter 2 Installation ————————————— 03

2.1 Package Contents .........................................03

2.2 Safety Precautions ........................................03

2.3 Installation Tools ..........................................05

2.4 Product Installation ......................................05

Chapter 3 Lightning Protection ———————— 07

3.1 Cabling Reasonably ......................................07

3.2 Connect to Ground .......................................09

3.3 Equipotential Bonding ...................................10

3.4 Use Lightning Arrester ..................................11

Chapter 4 Connection ————————————— 12

4.1 WAN Port.....................................................12

4.2 LAN Port ......................................................12

4.3 Console Port ................................................12

4.4 Verify Installation .......................................13

4.5 Power On ....................................................13

4.6 Initialization .................................................14

Chapter 5 Conguration ———————————— 15

5.1 Preparations ................................................15

5.2 Login ...........................................................15

5.3 WAN/LAN Ports Conguration ........................17

Appendix A Troubleshooting —————————— 18

Appendix B Hardware Specications —————— 19

Appendix C Technical Support ————————— 20

Gigabit Load Balance Broadband Router





The Gigabit Load Balance Broadband Router TL-ER5120 providing three adjustable

gigabit ports, which enable the users to configure the amount of WAN ports based

on need and connect multiple Internet lines for bandwidth expansion. The router

possesses excellent data processing capability and multiple powerful functions including

Load Balance, Access Control, Bandwidth Control, Session Limit, IM/P2P Blocking,

PPPoE Server and so on, which consumedly meet the needs of small and medium

enterprise, hotels and communities with volumes of users demanding a efficient and

easy-to-manage network with high security.



Front Panel

■

The front panel of TL-ER5120 is shown as the following figure.

Front PanelFigure 1-1

LEDs

LED Status Indication

PWR

On The router is powered on

Off The router is powered off or power supply is abnormal

SYS

Flashing The router works properly

On/Off The router works improperly

Link/Act

On There is a device linked to the corresponding port

Off There is no device linked to the corresponding port

Flashing The corresponding port is transmitting or receiving data

Speed

On (Green) The port is running at 1000Mbps

On (Yellow) The

port is running at 100Mbps

Off

There is no device linked to the corresponding port or the

port is running at 10Mbps

WAN

On The port is working in WAN mode

Off The port is working in LAN mode

DMZ

On The port is working in DMZ mode

Off The port is working in LAN mode

Introduction

Gigabit Load Balance Broadband Router

Interface Description

WAN

The WAN port is designed to connect the router to a DSL/Cable modem or

Ethernet by the RJ45 cable

LAN

The LAN port is designed to connect the router to the local PCs or

switches by the RJ45 cable

DMZ The DMZ port is designed to connect the router to the servers

Console

The Console port is designed to connect with the serial port of a computer

or terminal to monitor and configure t

router

Reset

Use the button to restore the router to the factory defaults. With the router powered

on, use a pin to press and hold the Reset button (about 4~5 seconds). After the

SYS LED goes out, release the Reset button. If the SYS LED is flashing with a high

frequency about two or three seconds, it means the router is restored successfully.

Rear Panel

■

The rear panel of TL-ER5120 is shown as the following figure.

100-240V~ 50/60Hz 0.6A

Rear PanelFigure 1-2

Power Socket

Connect the female connector of the power cord here, and the male connector to

the AC power outlet. Please make sure the voltage of the power supply meets the

requirement of the input voltage (100-240V~ 50/60Hz).

Grounding Terminal

The router already comes with lightning protection mechanism. You can also ground

the router through the PE (Protecting Earth) cable of AC cord or with Ground Cable.

For detailed information, please refer to Chapter 3 Lightning Protection.

Caution: Please use the provided power cord.

Introduction

Gigabit Load Balance Broadband Router





Make sure that the package contains the following items. If any of the listed items is

damaged or missing, please contact your distributor.

One Resource CD

One Router

One Power Cord and One

Console Cable

This Installation Guide

Two mounting brackets and

the ttings



To avoid any device damage and bodily injury caused by improper use, please observe

the following rules.

Safety Precautions

■

Keep the power off during the installation.

■

Wear an ESD-preventive wrist strap, and make sure that the wrist strap has a good

■

skin contact and is well grounded.

Use only the power cord provided with the router.

■

Make sure the operating voltage of the power supply is the same one labeled on the

■

router.

Ensure the vent hole is well ventilated and unblocked.

■

Do not open or remove the cover of the router.

■

Before cleaning the device, cut off the power supply. Do not clean it by the waterish

■

cloth, and never use any other liquid cleaning method.

Site Requirements

■

To ensure normal operation and long service life of the device, please install it in an

environment that meets the requirements described in the following subsection.

Temperature/Humidity

ȭ

ȭ

Installation

Gigabit Load Balance Broadband Router

Please keep a proper temperature and humidity in the equipment room. Too high/low

humidity may lead to bad insulation, electricity leakage, mechanical property changes

and corrosions. Too high temperature may accelerate aging of the insulation materials

and can thus significantly shorten the service life of the device. For normal temperature

and humidity of the device, please check the following table.

Environment Temperature Humidity

Operating 0℃ ~ 40℃ 10% ~ 90%RH Non-condensing

Storage -40℃ ~ 70℃ 5% ~ 90%RH Non-condensing

Clearness

The dust accumulated on the router can be absorbed by static electricity and result

in poor contact of metal contact points. Some measures have been taken for the

device to prevent static electricity, but too strong static electricity can cause deadly

damage to the electronic elements on the internal circuit board. To avoid the effect of

static electricity on the operation of the router, please attach much importance to the

following items:

Dust the device regularly, and keep the indoor air clean.

■

Keep the device well grounded and ensure static electricity has been transferred.

■

Electromagnetic Interference

Electronic elements including capacitance and inductance on the device can be affected

by external interferences, such as conducted emission by capacitance coupling,

inductance coupling, and impedance coupling. To decrease the interferences, please

make sure to take the following measures:

Use the power supply that can effectively filter interference from the power grid.

■

Keep the device far from high-frequency, strong-current devices, such as radio

■

transmitting station.

Use electromagnetic shielding when necessary.

■

Lightening Protection

Extremely high voltage currents can be produced instantly when lightning occurs and

the air in the electric discharge path can be instantly heated up to

20,000℃

. As this

instant current is strong enough to damage electronic devices, more effective lightning

Installation

Gigabit Load Balance Broadband Router

protection measures should be taken.

Ensure the rack and device are well earthed.

■

Make sure the power socket has a good contact with the ground.

■

Keep a reasonable cabling system and avoid induced lightning.

■

Use the signal SPD (Surge Protective Device) when wiring outdoor.

■

Note:

For detailed lightning protection measures, please refer to Chapter 3

Lightning Protection.

Installation Site

S

When installing the device on a rack or a flat workbench, please note the following

items:

The rack or workbench is flat and stable, and sturdy enough to support the weight of

■

5.5kg at least.

The rack or workbench has a good ventilation system. The equipment room is well

■

ventilated.

The rack is well grounded. Keep the power socket less than 1.5 meters away from the

■

device.



Phillips screwdriver

■

ESD-preventive wrist wrap

■

C a b l e s

■

Note:

These tools are not provided with our product. If needed, please self purchase

them.



Desktop Installation

■

To install the device on the desktop, please follow the steps:

Set the device on a flat surface strong enough to support the entire weight of the 1.

device with all fittings.

Remove the adhesive backing papers from the rubber feet.2.

Turnover the device and attach the supplied rubber feet to the recessed areas on 3.

the bottom at each corner of the device.

Installation

Gigabit Load Balance Broadband Router

Feet

Bottom of the

Device

Notch

Desktop InstallationFigure 2-1

Rack Installation

■

To install the device in an EIA standard-sized, 19-inch rack, follow the instructions

described below:

Check the grounding and stability of the rack.1.

Secure the supplied rack-mounting brackets to each side of the device with supplied 2.

screws, as illustrated in the following figure.

Rack-

mounting

Bracket

Screw

Bracket InstallationFigure 2-2

After the brackets are attached to the device, use suitable screws (not provided) to 3.

secure the brackets to the rack, as illustrated in the following figure.

Rack

Rack InstallationFigure 2-3

Caution:

Please set 5~10cm gaps around the device for air circulation.

■

Please avoid any heavy thing placed on the device.

■

Please mount devices in sequence from the bottom to top of the rack and ensure a

■

certain clearance between devices for the purpose of heat dissipation.

Installation

Gigabit Load Balance Broadband Router





In the actual network environment, you may need cable outdoors and indoors, and

the requirements for cabling outdoors and indoors are different. A reasonable cabling

system can decrease the damage of induced lightning to devices.

Note:

It’s not recommended using Ethernet cables outdoors. When cabling outdoors,

please use a signal lightning arrester.

Requirements for Cabling Outdoors

■

Aerial cabling without safeguard is not allowed.

■

It’s not allowed cabling down the building to connect network devices in different

■

floors.

Outdoor cables should be buried and paved to the indoor through basement. A piece

■

of steel wire should be paved underground along the pipe and connected to the

lightning protection terminal of the building for shielding. Before connecting the cable

to the device, install a signal lightning arrester on the corresponding port.

When an aerial cable is set up, the cable should be through a metal pipe (15m long

■

at least) before coming into the building. The two ends of this metal pipe should be

grounded. Before connecting the cable to the device, install a signal lightning arrester

on the corresponding port.

It’s not necessary to pave STP cables through pipes. The shielded layer of STP cable

■

should be well grounded. Before connecting the cable to the device, install a signal

lightning arrester on the corresponding port.

Requirements for Cabling Indoors

■

When cabling indoors, keep a certain distance away from the devices that may cause

high-frequency interferences, such as down-conductor cable, powerline, power

transformer and electromotor.

The main cable should be paved in the metal raceway of the access shaft. When

■

cabling, keep the loop area formed by the cable itself as small as possible.

Lightning Protection

Gigabit Load Balance Broadband Router

Requirements for the distance between Ethernet cable and other pipelines are shown

■

in the table.

Other Pipelines

Ethernet Cable

Min Parallel Net Length L

(mm)

Min Parallel-overlapping Net

Height H (mm)

Down-conductor 1000 300

PE 50 20

Service pipe 150 20

Compressed air pipe 150 20

Thermal pipe (not wrapped) 500 500

Thermal pipe (wrapped) 300 300

Gas pipe 300 20

The two diagrams below demonstrate parallel net length and parallel-overlapping net

height.

Note:

The above minimum net length/height is required when metal raceway is not

used. If any requirements cannot be met, you can add a steel tube or metal raceway

for shielding.

Requirements for the distance between Ethernet cable and high-power electric

■

devices are in following tables.

Cable Pave Way

Min Parallel

Length (mm)

<2kVA

powerline

Parallel cabling 130

One is in the grounded metal raceway or metal pipe 70

The both are in the grounded metal raceway or metal pipe 10

2~5kVA

powerline

Parallel cabling 300

One is in the grounded metal raceway or metal pipe 150

The both are in the grounded metal raceway or metal pipe 80

>5kVA

powerline

Parallel cabling 600

One is in the grounded metal raceway or meta

l pipe 300

The both are in the grounded metal raceway or metal pipe 150

Device Min Distance (m)

Switch case 1.00

Transformer room 2.00

Elevator tower 2.00

Air-conditioner room 2.00

Lightning Protection

Gigabit Load Balance Broadband Router



Connecting the device to ground is to quickly release the lightning over-voltage and

over-current of the device, which is also a necessary measure to protect the body from

electric shock.

In different environments, the device may be grounded differently. The following

will instruct you to connect the device to the ground in two ways, connecting to the

grounding bar or connecting to the ground via the power cord. Please connect the

device to ground in the optimum way according to your specific operation environment.

Connecting to the Grounding Bar

■

If the device is installed in the Equipment Room, where a grounding bar is available,

you are recommended to connect the device to the grounding bar as shown in the

following figure.

Device (Rear Panel)

Ground Cable

Grounding Te rminal

Grounding Bar

Connecting to the Grounding BarFigure 3-1

Note: The grounding bar and the ground cable are not provided with our product. If

needed, please self purchase them.

Connecting to the Ground via the Power Supply

■

If the device is installed in the normal environment, the device can be grounded via the

PE (Protecting Earth) cable of the AC power supply as shown in the following figure.

Connecting to the GroundFigure 3-2

Lightning Protection

Gigabit Load Balance Broadband Router

Note:

The figure is to illustrate the application and principle. The power plug you get from

■

the package and the socket in your situation will comply with the regulation in your

country, so they may differ from the figure above.

If you intend to connect the device to the ground via the PE (Protecting Earth) cable

■

of AC power cord, please make sure the PE (Protecting Earth) cable in the electrical

outlet is well grounded in advance.



Equipotential Bonding is the practice of intentionally electrically connecting all earthed

systems to the same grounding grid or connecting the grounding grids of all the

earthed systems together through the ground or overground metal so as to create

an earthed equipotential zone. When lightning occurs, the high voltage produced by

lightning current in all systems will meanwhile exist in their ground cables, and thus

all ground cables have the same electrical potential and basically eliminate the electric

strikes between the systems.

The figure bellow illustrates how to practice equipotential bonding in a network.

Grounding T e rminal Equipotential Bonding Cable

Grounding Bar Ground Cable

Equipotential BondingFigure 3-3

When equipotential bonding, please note that the cable should be copper wrapped Kelly

with its area being 6mm

at least. The shorter cable the better, and use a grounding

bar to establish an equipotential bonding point.

Note: The equipotential bonding cable is not provided with our product. If needed,

please self purchase it.

Lightning Protection

Gigabit Load Balance Broadband Router



Power lightning arrester and signal lightning arrester are used for lighting protection.

Power lightning arrester is used for limiting the voltage surge due to a lightning. If an

outdoor AC power cord should be directly connected to the device, please use a power

lightning arrester.

Note: Power lightning arrester is not provided with our product. If needed, please self

purchase it.

Signal lightning arrester is used to protect RJ45 ports of the device from lightning.

When cabling outdoors, please install a signal lightning arrester before connecting the

cable to the device.

When purchasing or using a signal lightning arrester, please observe the following

rules:

The port rate of the signal lightning arrester should match the rate of the desired port

■

on the device. If it is not matched, this signal lighting arrester will not work. Purchase

a standard lightning arrester.

Install signal lightning arrester near the protected device and connect it to the ground

■

via a shorter ground cable.

Equipotential Bonding CableGrounding Te rminal

Ethernet Cable

Signal Lightning Arrester Device

Lightning Arrester ConnectionFigure 3-4

Note: Signal lightning arrester is not provided with our product. If needed, please self

purchase it.

Lightning Protection

Gigabit Load Balance Broadband Router





Please connect the WAN port of the router to the interface provided by ISP via Ethernet

cable.



Connect a LAN port of the router to the computer by RJ45 cable as the following figure

shown.

LAN Port

RJ45 Cable

RJ45 Port

Connecting the LAN PortFigure 4-1

Note: If the router is connecting with Server/Switch or other Ethernet devices, please

make sure the RJ45 cable is less than 100m.



CLI (Command Line Interface) enables you to do some simple operations to the router,

thus you can load the CLI after connecting the PCs or Terminals to the console port on

the router via the provided cable.

Connect the console port of the device with your computer by the console cable as the

following figure shown.

Connection

Gigabit Load Balance Broadband Router

Connection

Connecting the Console PortFigure 4-2

You can also manage the device through the console port, for details please refer to the

User Guide on the resource CD.

Note:

The console port is the first port on the right of the front panel.

■

Please keep the device power off when you plugging the console cable.

■

Do not connect the console port with other ports by RJ45 cable.

■



After completing the installation, please verify the following items:

There are 5~10cm of clearance around the sides of the device for ventilation and the

■

air flow is adequate.

The voltage of the power supply meets the requirement of the input voltage of the

■

device.

The power socket, device and rack are well grounded.

■

The device is correctly connected to other network devices.

■



Plug in the negative connector of the provided power cord into the power socket of the

device, and the positive connector into a power outlet as the following figure shown.

Connecting to Power SupplyFigure 4-3

Gigabit Load Balance Broadband Router

Connection

Note: The gure is to illustrate the application and principle. The power plug you get

from the package and the socket in your situation will comply with the regulation in

your country, so they may differ from the gure above.



After the device is powered on, it begins the Power-On Self-Test. A series of tests

run automatically to ensure the device functions properly. During this time, its LED

indicators will respond as follows:

The Power LED will light on all the time.

■

All LEDs except PWR LED will flash momentarily and then turn off.

■

The SYS LED flashes every second continuously, which means the initialization is

■

finished.

Gigabit Load Balance Broadband Router





Connect a PC to a LAN port of the router with a RJ45 cable properly.1.

Set the Internet Protocol (TCP/IP) properties of the PC as the following figure shown.2.

Internet Protocol (TCP/IP) PropertiesFigure 5-1



To access the GUI (Graphical User Interface) of the router, open a web browser and 1.

type the default management address http://192.168.0.1 in the address field of the

browser, then press the Enter key.

Web BrowserFigure 5-2

Enter admin for the default User Name and Password, both in lower case letters. 2.

Then click the Login button or press the Enter key.

Conguration

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TP-LINK SafeStream TL-ER5120 Owner's manual

Brand: TP-LINK

Model: SafeStream TL-ER5120

Category: Routers

Type: Owner's manual

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TL-ER5120

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